PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-21:42:50
G08     309.2          18.6                7.3 +/-    1.08      16.5 +/-    1.08  0.040 / 0.060
G10     341.7          61.3                8.3 +/-    0.77       9.3 +/-    0.77  0.050 / 0.050
G14     219.3          31.1               12.1 +/-    1.48      20.8 +/-    1.48  0.090 / 0.190
G20     45.2           58.3                9.9 +/-    0.69      11.5 +/-    0.69  0.090 / 0.170
G21     137.3          55.0               10.6 +/-    0.86      12.6 +/-    0.86  0.080 / 0.100
G24     71.9           30.3                9.5 +/-    1.21      16.5 +/-    1.21  0.100 / 0.080
G27     271.3          37.3               10.8 +/-    2.86      16.4 +/-    2.86  0.090 / 0.080
G32     225.3          55.8               11.7 +/-    2.41      13.9 +/-    2.41  0.070 / 0.080